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Spiked dog collars were invented in ancient Greece and were originally designed to protect the dogs throat from wolf attacks.

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10% of conflicts are due to difference in opinion and 90% are due to wrong tone of voice.

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Hugs can lower your blood pressure and reduce stress.

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If night time thoughts are keeping you awake, write them all down. This clears your head and makes it easier to sleep.

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The word "lobster" was an insult in the 17th century. It was like calling someone a rogue.

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Pavel Durov (the founder of Telegram Messenger) has a personal channel, in Telegram Messenger, about his travels and experiences. The channel is actually public and not private... If you guys wish to join, visit 👉🏻 telegram.me/durov

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A simple 20 minutes of exercise three days each week will increase your happiness by to 10 to 20%.

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Humans are actually the best long-distance runners on the planet - With the ability to beat horses, in marathon distance races.

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Pirates wore earrings because they believed it would help improve their eyesight.

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99.9% of DNA is the same in every human — The 0.1% is what makes us unique from each other.

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You can't write the number '6' while making clockwise circles with your leg. Go ahead and try.

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Depressed people are likely to get colds more often while happy and energetic individuals get sick less often.

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Sandwiches "taste better" when someone else makes them because when you make your own, you anticipate its taste and become less hungry for it.

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Run your used razors on a pair of jeans to sharpen them if you run out.

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Men’s shirts have the buttons on the right while women’s shirts have the buttons on the left.

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If you're taking notes for class on a computer, write in a weird font. It will help you remember the information better.

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Not sleeping for 24 hours straight can slow down a person's response time more than having 5 alcohol drinks can.

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Anxiety sufferers are much more sensitive to disturbing scenes on TV and take longer to calm down.

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"Beauty sleep" is real - scientists found that faces of well-rested people look younger and are more attractive than sleep-deprived people.

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Each year Disneyland uses over 5,000 gallons of paint to maintain the clean appearance of the park.

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Wordhippo(.)com is a website that will help you find the word you're looking for when you can only think of a phrase to describe it.